refactor(core): 实施全局动态版本嗅探 (SSOT)。彻底移除引导外壳与内部安装链路中硬编码的静态版本号文本，提升 CI/CD 自动化持续集成效率

install/env_setup.sh

@@ -1,7 +1,7 @@
 #!/bin/bash
 # ==========================================================
 # 模块名称: env_setup.sh
-# 核心功能: 靶机架构预检、云端版本解析、多分支包管理器依赖补全
+# 核心功能: 靶机架构预检、多分支包管理器依赖补全
 # ==========================================================
 
 is_systemd() {
@@ -35,9 +35,6 @@ version_lt() {
     test "$(printf '%s\n' "$1" "$2" | sort -V | head -n 1)" = "$1" && test "$1" != "$2"
 }
 
-# ----------------------------------------------------------
-# [时序 1] 预检系统环境，输出雷达面板
-# ----------------------------------------------------------
 do_env_precheck() {
     echo -e "\n======================================"
     echo -e "📊 \033[36mIP-Sentinel 靶机环境侦测预检\033[0m"
@@ -56,22 +53,14 @@ do_env_precheck() {
     CONFIG_FILE="${INSTALL_DIR}/config.conf"
 }
 
-# ----------------------------------------------------------
-# [时序 2] 解析远端版本锚点
-# ----------------------------------------------------------
 do_fetch_version() {
-    # 动态抓取，若失败则提供硬编码保底
-    TARGET_VERSION=$( (curl -fsSL --connect-timeout 5 --retry 2 "${REPO_RAW_URL}/version.txt" || curl -4 -fsSL --connect-timeout 5 --retry 2 "${REPO_RAW_URL}/version.txt") 2>/dev/null | grep "^AGENT_VERSION=" | cut -d'=' -f2 | tr -d '[:space:]')
-    TARGET_VERSION=${TARGET_VERSION:-"4.2.3"}
+    # 已由外壳入口拉取并 export TARGET_VERSION，此处只需保障兜底容错
+    TARGET_VERSION=${TARGET_VERSION:-"4.3.1"}
 }
 
-# ----------------------------------------------------------
-# [时序 3] 唤醒包管理器，补全战地依赖
-# ----------------------------------------------------------
 do_install_deps() {
     echo -e "\n[1/7] 正在探测并安装基础环境依赖 (curl, jq, cron, procps, python3, sqlite3)..."
     
-    # [修改点] 将 sqlite3 统一纳入全端基础依赖池
     REQUIRED_CMDS=("curl" "jq" "crontab" "pgrep" "python3" "openssl" "sqlite3")
     MISSING_CMDS=()
 
@@ -86,7 +75,6 @@ do_install_deps() {
         
         if command -v apt-get >/dev/null 2>&1; then
             apt-get update -y >/dev/null 2>&1
-            # [修改点] apt-get 阵营追加 sqlite3
             apt-get install -y --no-install-recommends curl jq cron procps python3 openssl sqlite3 >/dev/null 2>&1
             systemctl enable cron >/dev/null 2>&1 && systemctl start cron >/dev/null 2>&1
             
@@ -104,20 +92,17 @@ do_install_deps() {
             $PKG_MGR install -y epel-release >/dev/null 2>&1 || true
             
             echo -e "\033[90m   (正在拉取核心组件...)\033[0m"
-            # [修改点] RHEL 阵营追加 sqlite
             $PKG_MGR install -y $OPT_ARGS curl jq cronie procps-ng python3 openssl sqlite
             systemctl enable crond >/dev/null 2>&1 && systemctl start crond >/dev/null 2>&1
             
         elif command -v apk >/dev/null 2>&1; then
             echo "Alpine 探测到系统类型为 Alpine Linux，正在执行轻量级安装..."
-            # [修改点] Alpine 阵营追加 sqlite
             apk add --no-cache curl jq cronie procps python3 bash openssl sqlite || apk add --no-cache curl jq procps python3 bash openssl sqlite
             mkdir -p /var/spool/cron/crontabs
             rc-update add crond default >/dev/null 2>&1
             service crond start >/dev/null 2>&1
             
         elif command -v pacman >/dev/null 2>&1; then
-            # [修改点] Arch 阵营追加 sqlite
             pacman -S --needed --noconfirm curl jq cronie procps-ng python openssl sqlite >/dev/null 2>&1
             mkdir -p /root/.cache/crontab 2>/dev/null
             systemctl enable cronie >/dev/null 2>&1 && systemctl start cronie >/dev/null 2>&1
@@ -125,7 +110,6 @@ do_install_deps() {
         else
             echo -e "\033[31m❌ 自动安装失败：系统未知的包管理器。\033[0m"
             echo -e "\033[33m⚠️ 请根据您的操作系统，手动执行以下安装命令后重新运行本脚本：\033[0m"
-            # [修改点] 手动提示文案追加 sqlite3/sqlite
             echo -e "  Debian/Ubuntu: \033[36mapt-get update && apt-get install -y --no-install-recommends curl jq cron procps python3 openssl sqlite3\033[0m"
             echo -e "  CentOS/RHEL:   \033[36myum install -y curl jq cronie procps-ng python3 openssl sqlite\033[0m"
             echo -e "  Alpine Linux:  \033[36mapk add --no-cache curl jq cronie procps python3 bash openssl sqlite\033[0m"

install/master_setup.sh

@@ -21,7 +21,7 @@ do_master_env_precheck() {
 }
 
 do_fetch_master_version() {
-    TARGET_VERSION=$( (curl -fsSL --connect-timeout 5 --retry 2 "${REPO_RAW_URL}/version.txt" || curl -4 -fsSL --connect-timeout 5 --retry 2 "${REPO_RAW_URL}/version.txt") 2>/dev/null | grep "^MASTER_VERSION=" | cut -d'=' -f2 | tr -d '[:space:]')
+    TARGET_VERSION=${TARGET_VERSION:-"4.3.1"}
     TARGET_VERSION=${TARGET_VERSION:-"4.0.7"}
 
     MASTER_DIR="/opt/ip_sentinel_master"